VOB
From Just Solve the File Format Problem
VOB (Video Object) is the container seen on DVDs. It is a subformat and extension of MPEG-1 or MPEG-2 video. It can use any of the following audio codecs: AC3, LPCM, MP1, MP2, or DTS. It can also hold VobSub subtitle streams.
See also Enhanced VOB.
Software
Sample files
- https://samples.ffmpeg.org/ - Search the index for ".vob"
